Will Liquid Glass Fix a Cracked Head

At idle, the water level rises due to hydrogen air bubbles escaping from the leaky head gasket. You should have the cap ON, and let the chemical (liquid glass) do its work. Yes, sodium silicate works on head gaskets. If the head is cracked, it may not work, but it’s worth trying.

Can you fix a blown head gasket with liquid?

Installation is done by pouring the liquid into your car’s coolant tank and then allowing the liquid to circulate by holding the car at a high idle for about 15 minutes. Head Gasket Fix is incredibly easy to install — just ensure there’s room in your car’s coolant tank and pour it in.

Can you seal a cracked head?

To determine if you have a blown head gasket, you can read our article about the symptoms of a blown head gasket. The best way to seal a cracked block is to use BlueDevil Radiator and Block Sealer. BlueDevil Radiator and Block Sealer is a specially formulated sealing agent that you add to your vehicle’s cooling system.